Core Fault Attributes Register (Cfatr) - Freescale Semiconductor MCF54455 Reference Manual

System Control Module (SCM)
Field
7 The location of the last captured fault.
LOC 0 Error occurred on the internal bus.
1 Error occurred within the core.
6–0 Reserved, must be cleared.

14.2.10 Core Fault Attributes Register (CFATR)

The read-only CFATR register captures the processor's attributes of the last faulted core access to the
system bus.
Address: 0xFC04_0077 (CFATR)
7
R WRITE
W
Reset: –
Field
7 Indicates the direction of the last faulted core access.
WRITE 0 Core read access.
1 Core write access.
6–4 Indicates the size of the last faulted core access.
SIZE 000 8-bit core access.
001 16-bit core access.
010 32-bit core access.
Else Reserved.
3 Indicates if last faulted core access was cacheable.
CACHE 0 Non-cacheable
1 Cacheable
2 Reserved, must be cleared.
1 Indicates the mode the device was in during the last faulted core access.
MODE 0 User mode
1 Supervisor mode
0 Defines the type of last faulted core access.
TYPE 0 Instruction
1 Data
14-12
Table 14-11. CFLOC Field Descriptions
6 5
SIZE
– –
Figure 14-18. Core Fault Attributes Register (CFATR)
Table 14-12. CFATR Field Descriptions
Description
4 3 2
CACHE 0
– – –
Description
Access: User read-only
1 0
MODE TYPE
– –
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